Restart the device

POST http://{deviceHost}/button/Restart/press

Triggers a software reboot. The device disconnects from Wi-Fi (or Ethernet), reboots,
and reconnects. Clients should expect a brief period of unavailability (typically 10–30
seconds).

v2 → v3 URL change:

• v2 (ESPHome < 2026.7): /button/restart/press
• v3 (ESPHome ≥ 2026.7): /button/Restart/press